Helmet with high performance head and face protection utilizing complementary materials
US5749096A · kind A · utility
22Cited by
30References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1994 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Jul 1, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C66/7394
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A structure formed of a composite material and a support material, the support material being integrally coupled to the composite material by an insert molding process to form an integral structure, and protective head gear, such as a welding helmet, welding shield, hard hat, etc. using such structure. A method for making a structure using sheet-like composite material includes adhering to the composite material a relatively rigid support member or frame by insert molding directly to the composite material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.